3989061848 has 8 divisors (see below), whose sum is σ = 7479490980. Its totient is φ = 1994530920.

The previous prime is 3989061763. The next prime is 3989061851. The reversal of 3989061848 is 8481609893.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3989061848² = 31825228854338350208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3989061793 and 3989061802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249316358 + ... + 249316373.

Almost surely, 2^3989061848 is an apocalyptic number.

It is an amenable number.

3989061848 is a deficient number, since it is larger than the sum of its proper divisors (3490429132).

3989061848 is a wasteful number, since it uses less digits than its factorization.

3989061848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498632737 (or 498632733 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 56.

The square root of 3989061848 is about 63159.0203217244. The cubic root of 3989061848 is about 1585.9527948943.

The spelling of 3989061848 in words is "three billion, nine hundred eighty-nine million, sixty-one thousand, eight hundred forty-eight".